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114 application engineer jobs found

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Contract Spy
Apr 27, 2026
Duration not stated
Senior Full Stack Developer at Deloitte, London, £Competitive Day Rate
Contract Spy London, UK
  Job Title: Senior Full Stack Developer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for Senior Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position...
Contract Spy
Apr 27, 2026
Duration not stated
Full Stack Developer at Deloitte, London, £Competitive Day Rate
Contract Spy London, UK
  Job Title: Full Stack Developer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position...
Contract Spy
Apr 20, 2026
Duration not stated
Senior Full Stack Developer at Deloitte, London, £Competitive Day Rate
Contract Spy London, UK
Job Title: Senior Full Stack Developer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for Senior Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires a solid understanding of...
Contract Spy
Apr 13, 2026
Duration not stated
Senior Full Stack Developer at Deloitte, London, £Competitive Day Rate
Contract Spy London, UK
  Job Title: Senior Full Stack Developer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for Senior Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position...
Contract Spy
Apr 13, 2026
Duration not stated
Full Stack Developer at Deloitte, London, £Competitive Day Rate
Contract Spy London, UK
  Job Title: Full Stack Developer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position...
Contract Spy
Apr 09, 2026
Duration not stated
AWS DevOps Engineer at G-Research, London, £Contract Rate
Contract Spy London, UK
AWS DevOps Engineer (Contract) We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution — because the best ideas take time to evolve. Together we’re building a world-class platform to amplify our teams’ most powerful ideas. As part of our engineering team, you’ll shape the platforms and tools that drive high-impact research – designing systems that scale, accelerate discovery and support innovation across the firm. Take the next step in your career.   The role   In this role, you’ll take ownership of our AWS landing zones and shared platform services, designing secure, scalable, multi-account environments that balance autonomy for engineering teams with strong governance and compliance. You’ll deliver robust,...
Contract Spy
Apr 09, 2026
Duration not stated
AWS Cloud Engineer at G-Research, London Area, £Contract Rate
Contract Spy London Area, United Kingdom
We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity.   From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution — because the best ideas take time to evolve. Together we’re building a world-class platform to amplify our teams’ most powerful ideas.   As part of our engineering team, you’ll shape the platforms and tools that drive high-impact research – designing systems that scale, accelerate discovery and support innovation across the firm.   Take the next step in your career.   The role   In this role, you’ll take ownership of our AWS landing zones and shared platform services, designing secure, scalable, multi-account environments that balance autonomy for engineering teams with strong governance and compliance. You’ll deliver robust,...
Contract Spy
Apr 29, 2026
Duration not stated
Senior Data Engineer (SC Cleared) at Scrumconnect Consulting, Newcastle, £350-£400 per day
£350 - £400 per day
Contract Spy Newcastle upon Tyne, UK
Date Opened 28/04/2026 Job Type Contract Job Description About Scrumconnect Scrumconnect is a leading force in technology consultancy, proudly contributing to over 20% of the UK’s most significant citizen-facing public services. Our award-winning team has made a substantial impact, delivering more than 64 services in the past two years alone. This work has not only reached over 50 million citizens but also achieved considerable savings for the taxpayer, amounting to over £25 million. At Scrumconnect, we foster a community of talented consultants who thrive on collaboration, sharing knowledge, and continuous learning to address and solve complex challenges. Our mission is to combine advanced software engineering, human-focused design, and data-driven insights to deliver unparalleled service to our clients. Role Overview We are seeking an experienced  Senior Data Engineer  to develop, maintain, and...
Contract Spy
Apr 29, 2026
Duration not stated
F5 Consultant at C-Serv Commercial Services, Edinburgh, £Contract Rate (Outside IR35)
Contract Spy Edinburgh, UK
C-Serv is a leading provider of IT solutions, specializing in delivering innovative and secure technology environments for a diverse range of clients. The Opportunity: We are looking for a skilled F5 Engineer to join our team on a contractor basis. The ideal candidate will bring strong hands-on experience with F5 technologies and take ownership of deploying, configuring, and managing F5 services. This role calls for a proactive problem-solver who thrives in a fast-paced environment. You'll work closely with cross-functional teams to ensure the seamless performance of network services and applications. This position is outside IR35. Requirements Key Responsibilities: Deploy and configure F5 infrastructure, including BIG-IP LTM, GTM, and other F5 modules. Monitor and maintain the performance of F5 services and application delivery solutions. Provide technical support and troubleshooting for F5-related issues. Implement security policies and...
Contract Spy
Apr 28, 2026
Duration not stated
SAP Security and Implementation Engineer at Surrey Satellite Technology, Guildford, £Contractor Rate
Contract Spy Guildford, UK
  This role sits inside IR35 This role is an exciting opportunity for a professional to develop and deliver SAP Identity Management solutions within SAP S/4 HANA Public Cloud to develop and deliver solutions that protect SAP systems and data by establishing policies, practices, and tools that prevent unauthorized access, use, disclosure, modification, or disruption.   This role will This role will be responsible for design and implementation of SAP Security Roles, Segregation of Duties Analysis Rules, Security Role Provisioning solutions, Security Workflow, Business Process Controls. Key Tasks Working Approach: The ability to adapt existing methods and procedures to create possible alternative solutions to moderately complex problems. Understands the strategic direction set by senior management as it relates to IT and SAP Identity Management goals. Uses considerable judgment to determine solutions and seeks peer and manager...
Contract Spy
Apr 28, 2026
Duration not stated
Senior Software Deployment Engineer at Mindera, Bracknell, £Competitive Day Rate (Outside IR35)
Contract Spy Bracknell, UK
Mindera are currently looking for a Senior Software Deployment Engineer who can lead the delivery, configuration, testing, and rollout of applications and retail device solutions across complex, large-scale environments. In this role you will help shape deployment strategy, drive automation, improve reliability, mentor engineers, and work closely with product, platform, and engineering teams to ensure smooth, secure, and high-quality releases that reaches thousands of customers. This is a hybrid role and you will be expected to be on site in Bracknell 3 days per week. Requirements Deployment & Configuration Leadership Lead end-to-end deployment processes across Dev, Test, UAT, Pre-Prod, and Production. Design scalable, repeatable deployment workflows and environment strategies. Drive automation across CI/CD pipelines using scripting, IaC, and tooling improvements. Ensure environment readiness, configuration integrity, and release...
Contract Spy
Apr 27, 2026
Duration not stated
Python - Senior Developers - AI Training at Prolific, UK, £Contract Rate
Contract Spy London, England, United Kingdom
About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledge, and skills. The role We're looking for Senior Python Developers to join our Expert Network to help train and evaluate cutting-edge AI models. If you have a background in Software Engineering, we'll send you a quick 10- to 15-minute test to assess your skills. If successful, you'll be invited to join Prolific as a participant, where you'll get paid to help AI understand and summarize complex scientific data. Researchers looking for your skills tend to pay up to $50/hr, depending on skills and experience level . You must be prepared to complete paid tasks that require one hour of uninterrupted work , though many are shorter. What you'll bring Educational...
Contract Spy
Apr 24, 2026
Duration not stated
Senior Full Stack Engineer at OnBuy, Remote, 4 Months, £550-£650 per day (Outside IR35)
Contract Spy United Kingdom
Who are OnBuy? OnBuy are an online marketplace who are on a mission of being the best choice for every customer, everywhere. We have recently been named one of the UK 's fastest-growing tech companies in the Sunday Times 100 Tech list. All achievements we are very proud of, but we don 't let that go to our head. We are all laser focused on our mission and understand the huge joint effort ahead of us needed to succeed. Working at OnBuy: . This is a critical role responsible for building, scaling, and evolving OnBuy's core commerce platform across both front-end and back-end systems. As a Senior Full Stack Engineer, you will own engineering delivery end-to-end; from customer-facing experiences to underlying services and data systems. You will operate within a cross-functional team and be accountable for shipping high-quality, scalable solutions that directly impact GMV, seller performance, and customer experience. This role moves beyond "front-end vs back-end " you are...
Contract Spy
Apr 24, 2026
Duration not stated
Software Engineer (Java, Python, Golang) at Test Yantra, London, £350-£370 per day
£350 - £370 per day
Contract Spy London, UK
We are urgently looking for experienced candidates with strong hands-on Java development skills and design experience. While an architect title is not mandatory, we are particularly interested in profiles of senior developers with solid technical expertise. Required Core Skills: - Java - Python - GoLang -Design, develop, and maintain high-quality Java applications. -Write clean, efficient, and well-documented code. -Perform code reviews and optimize existing codebases. -Ensure application performance and reliability. -Develop and maintain automated tests to ensure code quality. -Work with CI/CD pipelines to streamline the development and deployment process. Job Types: Full-time, Freelance Pay: £350.00-£370.00 per day Schedule: Monday to Friday Experience: Java: 7 years (required) Python: 3 years (required) Go: 2 years (required)
Contract Spy
Apr 23, 2026
Duration not stated
Infrastructure Engineer at SiXworks, Farnborough/Remote, £Contractor Rate
Contract Spy Hybrid (Farnborough, UK)
Location Farnborough (Hybrid) Employment Type Contractor About the job  We currently have an exciting opportunity for an Infrastructure Engineer to join our existing experienced team.     Our organisation specialises in pioneering solutions within National Security & Defense, emphasising Secure by Design methodologies. As a valued member of our team, you'll contribute to cutting-edge projects, creating highly secure and high-performance software systems. This role requires the highest level of UK security clearance.   Responsibilities are likely to include:  Maintain, improve, and secure SiXworks’ multi-classification, virtualised, collaboration and development environments.  Work with IT infrastructure colleagues to improve SiXworks’ ‘Secure by Design’ capabilities, internally and across its projects.  Provide Infrastructure support...
Contract Spy
Apr 23, 2026
Duration not stated
ML Ops Engineer at CreateFuture, United Kingdom, £Contract Rate
Contract Spy United Kingdom
Who We Are CreateFuture is fast becoming the UK’s most recognisable digital consultancy, with years of experience building digital products and services for major organisations whilst putting our people first. We have offices in the centre of Edinburgh, Leeds, Manchester, and London as well as remote employees located throughout the country. We are a team of creators - whether that’s code, project plans, go to market strategies, culture initiatives, marketing campaigns, large language models or people policies. And together, with our clients, we create the future. This has seen us collaborate and partner across a multitude of industries and sectors, with the likes of PayPal, adidas, Natwest, FanDuel and Money Saving Expert, to name just a few. Our reputation as a partner determined to deliver high-quality, robust and thoughtful products has enabled us to scale to over 500 people in the last couple of years, and it is our amazing people - along with the safe,...
Contract Spy
Apr 23, 2026
Duration not stated
Full Stack Developer (React, Java, Spring) at Deloitte, London, £Contract Rate
Contract Spy London, UK
Job Title: Full Stack Developer (Java, Spring, React) - contract Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires an...
Contract Spy
Apr 22, 2026
Duration not stated
SQL Server Database Engineer at Synechron, London, £Contract Rate
Contract Spy London, UK
Job Location: London (Hybrid - 3 days in the office) About Synechron: Synechron is a leading digital transformation consulting firm dedicated to delivering innovative technology solutions within banking, financial services, and insurance. We thrive on engineering excellence, collaboration, and a passion for cutting-edge technologies. We are seeking an experienced SQL Server Database Engineer with strong expertise in Microsoft SQL Server, Axway integration platforms, and UNIX environments . The candidate will be responsible for the design, administration, performance tuning, and support of SQL Server databases that integrate with Axway-based Middleware and operate within UNIX ecosystems. The role requires close collaboration with application, infrastructure, and integration teams to ensure high availability, security, and optimal performance of database systems.. Database Administration & Engineering Design, install, configure, and manage Microsoft SQL...
Contract Spy
Apr 22, 2026
Duration not stated
F5 Consultant at C-Serv Commercial Services, Edinburgh, £Contract Rate (Outside IR35)
Contract Spy Edinburgh, UK
C-Serv is a leading provider of IT solutions, specializing in delivering innovative and secure technology environments for a diverse range of clients. The Opportunity: We are looking for a skilled F5 Engineer to join our team on a contractor basis. The ideal candidate will bring strong hands-on experience with F5 technologies and take ownership of deploying, configuring, and managing F5 services. This role calls for a proactive problem-solver who thrives in a fast-paced environment. You'll work closely with cross-functional teams to ensure the seamless performance of network services and applications. This position is outside IR35. Requirements Key Responsibilities: Deploy and configure F5 infrastructure, including BIG-IP LTM, GTM, and other F5 modules. Monitor and maintain the performance of F5 services and application delivery solutions. Provide technical support and troubleshooting for F5-related issues. Implement security policies and...
Contract Spy
Apr 21, 2026
Duration not stated
Senior Full-Stack Engineer at RC Fornax, Greater Bristol, £350–£500 per day
£350 - £500 per day
Contract Spy Greater Bristol Area, United Kingdom
Senior Full-Stack Engineer Location: Bristol Engagement Type: Permanent or Contract Day Rate / Salary: £350–£500 per day (contract) or permanent package by discussion Work Model: Hybrid - Bristol office, flexible by agreement   **Please do not apply if you require sponsorship**   About the Role We’re looking for a Senior Full-Stack Engineer to join the product engineering team at RC Fornax.   This role will initially focus on building a new AI-enabled product, a structured document generation and workflow tool that transforms unstructured inputs into high-quality, structured outputs through analysis, drafting, review, and publishing workflows.   The product sits within a broader defence and procurement platform, where outputs directly support real-world engineering, delivery, and supplier decisions.   The early emphasis is on getting this product built quickly and...
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